Need advice about planning your trip? Check out the NPS Trip Planning Guide to help make your visit safe and enjoyable.

Mailing Address:

13000 Highway 244
Building 31, Suite 1
Keystone, SD57751

Phone:

(605) 574-2523Park information. Phones are answered 7 days a week. Hours are 8:00 - 5:00 October through May, 8:00 - 10:00 June through mid-August and 8:00 - 9:00 mid-August through September. All times are Mountain Time.